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I Zwicky 18
Dwarf irregular galaxy in the constellation Ursa Major / From Wikipedia, the free encyclopedia
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I Zwicky 18 is a blue compact dwarf galaxy located about 59 million light years away[2] in the constellation Ursa Major. The galaxy was first identified by Swiss astronomer Fritz Zwicky in a 1930s photographic survey of galaxies.[3]
Quick Facts Observation data (J2000 epoch), Constellation ...
I Zwicky 18 | |
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Observation data (J2000 epoch) | |
Constellation | Ursa Major |
Right ascension | 09h 34m 02.0s[1] |
Declination | +55° 14′ 28″[1] |
Redshift | 751 ± 2 km/s[1] |
Distance | 0.059 Gly |
Apparent magnitude (V) | 16.0[1] |
Characteristics | |
Type | I,[1] Starburst Galaxy |
Apparent size (V) | 0.3′ × 0.2′[1] |
Other designations | |
UGCA 166, Mrk 116, PGC 27182[1] |
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